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Finding the Fourth Proportional to 416,068.76, 574,172.91 and 225,080.48

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Solution

The fourth proportional to 416,068.76, 574,172.91 and 225,080.48 is: 310,609.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,068.76 : 574,172.91 = 225,080.48 : x
  2. Step 2: Convert to fraction form
    416,068.76/574,172.91 = 225,080.48/x
  3. Step 3: Cross multiply
    416,068.76x = 574,172.91 × 225,080.48
  4. Step 4: Simplify right side
    416,068.76x = 129,235,114,185.80
  5. Step 5: Solve for x
    x = 129,235,114,185.80/416,068.76
  6. Step 6: Final answer
    x = 310,609.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.